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BESⅢ时间起点计算软件的排除噪声方法研究

Studying the Influence of Noise and the Methods of Rejecting Noise at BESⅢ Reconstruction Software

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【作者】 马想毛泽普李卫东边渐鸣何康林邓子艳曹学香傅成栋曹国富高原宁花春飞黄彬黄性涛季晓斌何苗李海波刘秋光梁羽铁刘春秀刘怀民马秋梅冒亚军莫小虎潘明华王纪科庞彩莹平荣刚秦亚红邱进发孙胜森袁野孙永昭严亮文硕频谢宇广徐敏尤郑昀俞国威伍灵慧苑长征王亮亮张长春张建勇张学尧郑阳恒朱永生张瑶朱志丽邹佳恒

【Author】 MA Xiang1,2,MAO Ze-pu1,LI Wei-dong1,BIAN Jian-ming1,2,CAO Guo-Fu1,2,CAO Xue-xiang1,2,DENG Zi-yan1,FU Cheng-dong1,GAO Yuan-ning5,HE Kang-lin1,HE Miao1,2,HUA Chun-fei8,HUANG Bin1,2,HUANG Xing-tao7,JI Xiao-bin1,LI Hai-bo1,LIANG Yu-tie4,LIU Huai-min1,LIU Chun-xiu1,LIU Qiu-Guang1,2,MA Qiu-mei1,MAO Ya-jun4,MO Xiao-hu1,PAN Ming-hua6,PANG Cai-ying6,PING Rong-gang1,QIN Ya-hong8,QIU Jin-fa1,SUN Sheng-sen1,SUN Yong-zhao1,WANG Ji-ke1,2,Wang Liang-liang1,2,WEN Shuo-pin1,WU Ling-hui1,XIE Yu-Guang1,XU Min3,YAN Liang1,2,YUAN Chang-zheng1,YUAN Ye1,YOU Zheng-yun4,ZHANG Chang-chun1,ZHANG Jian-yong1,ZHANG Yao1,ZHANG Xue-yao7,ZHENG Yang-heng2,ZHU Yong-sheng1,ZHU Zhi-li6,ZOU Jia-heng7 (1.Institute of High Energy Physics,Beijing 100049,P.R.China;2.Graduate School of the Chinese Academy of Sciences,Beijing 100049,China;3.University of Science and Technology of China,Hefei of Anhui Prov.230026,P.R.China;4.Peking University,Beijing 100871,P.R.China;5.Tsinghua University,Beijing 100084,China;6.Guangxi Normal University,Guilin 541004,China;7.Shandong University,Jinan of Shandong Prov.250100,China;8.Zhengzhou University,Zhengzhou 450001,China)

【机构】 中国科学院高能物理研究所中国科学院研究生院清华大学郑州大学山东大学北京大学广西师范大学中国科技大学

【摘要】 主要阐述了噪声对BESⅢ重建软件中主漂移室快重建径迹算法和事例起始时间算法的影响,以及如何排除噪声的方法。经过修改后,在噪声水平60%情况下J/ψ→anything事例,效率可以达到99%以上,误判率在1%以下。

【Abstract】 The investigation of influence of the noise,the methods of rejecting noise in MDC Fast track algorithm and event start time algorithm are presented.The J/ψ→anything events with noise level from 10%-60%,the efficiency could achieve above 99% and the error rate is below 1%.

【关键词】 北京谱仪Ⅲ事例起始时间噪声主漂移室
【Key words】 BESⅢEvent Start TimenoiseMDC
  • 【文献出处】 核电子学与探测技术 ,Nuclear Electronics & Detection Technology , 编辑部邮箱 ,2009年05期
  • 【分类号】TL817
  • 【被引频次】1
  • 【下载频次】55
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